2021002672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{9716359}}^1$

素因数の和:9716380

約数の個数: 20

約数和(自身を含む): 4216900240

約数和(自身を除く): 2195897568

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 9716359, 19432718, 38865436, 77730872, 126312667, 155461744, 252625334, 505250668, 1010501336, 2021002672]

約数ペア:

[(1, 2021002672), (2, 1010501336), (4, 505250668), (8, 252625334), (13, 155461744), (16, 126312667), (26, 77730872), (52, 38865436), (104, 19432718), (208, 9716359)]